Keeley Seafoam Plus Chorus

^# 65

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$160.65 to $212.00 Price Tier: Standard

4.5 (3)

2 Reviews

Find out who is using Keeley Seafoam Plus

3 community setups

0 wishlisted

13 saved

Page last updated Jul 05, 2026

Pricing and availability

We compare 600+ stores and found this item at 7 stores. Prices updated July 3, 2026.

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Reviews

Price

5.0 (17)

$189.00

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5.0 (1)

$189.00

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4.4 (69)

$189.00

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5.0 (20)

$160.65 26 available New

$115.00 10 available Used

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5.0 (7)

$189.00

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$189.00

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4.9 (7)

$212.00

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Average Price: $179

Standard/Professional

$60

$201+

Price Tier

In the Chorus Effects Pedals category, Keeley Seafoam Plus Chorus is priced in the upper end of the Standard/Professional range. This is quality gear at a fair price point, suitable for beginners, hobbyists, and pros alike.

Budget

Standard

High-end

Price History

Based on price data from 5 merchants for "Keeley Seafoam Plus Chorus". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

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Dive into the depths of sound with the Keeley Seafoam Plus Chorus, where innovation meets tradition in a pedal that's as versatile as it is vibrant. This isn't just any chorus effect; it's a journey through sonic landscapes, from the classic warmth of vintage chorus to the expansive realms of modern soundscapes. The Seafoam Plus stands out with its reconceived circuitry and two new modes, Dual Chorus and ADT, making it a perfect companion not just for guitarists but for bassists and keyboard players seeking to add depth and dimension to their music. Whether you're looking to envelop your sound in a warm, BBD-style chorus or explore new territories with its expanded functionality, this pedal offers a seamless blend of quality and versatility.

Key Features:

Reconceived circuitry for enhanced sound quality and versatility
Three-way switching includes Seafoam, Dual Chorus, and ADT modes
Ideal for guitar, bass, and keyboard
Vintage-style BBD chorus for warm, room-filling sounds
Offers a wide swath of functionality, from classic to modern tones

Product specs

Pedal Type	Chorus/Vibrato with Reverb
Analog/Digital	Digital
Inputs	1 x 1/4"
Outputs	1 x 1/4"
True Bypass	Yes
Bypass Switching	True Bypass
Power Source	9V DC 100mA power supply required (sold separately)
Power Usage	65mA
Height	2"
Width	2.67"
Depth	4.4"
Weight	0.61 lbs.

FAQs

What types of effects does the Keeley Seafoam Plus Chorus offer?: The Keeley Seafoam Plus Chorus provides chorus, vibrato, and reverb effects, making it versatile for various musical styles and soundscapes.
Is the Keeley Seafoam Plus Chorus a true bypass pedal?: Yes, the Keeley Seafoam Plus Chorus features true bypass switching, ensuring your signal remains uncolored when the pedal is not in use.
Can the Keeley Seafoam Plus Chorus be powered by a standard 9V power supply?: Yes, the Keeley Seafoam Plus Chorus requires a 9V DC power supply with at least 100mA, which is sold separately.
Is the Keeley Seafoam Plus Chorus suitable for bass guitar?: While primarily designed for electric guitar, the Keeley Seafoam Plus Chorus can also be used with bass guitar to add depth and modulation to your sound.
How does the Keeley Seafoam Plus Chorus differ from other chorus pedals?: The Keeley Seafoam Plus Chorus stands out with its combination of chorus, vibrato, and reverb effects, offering a broader range of sound customization compared to standard chorus pedals.

Videos

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ProGuitarShopDemos

Keeley Seafoam Plus Chorus

ProGuitarShopDemos

Keeley Seafoam Plus

Mike Hermans

Review Demo - Keeley Seafoam Chorus

Premier Guitar

Keeley Electronics Seafoam Plus Vibrato & Chorus Demo - BestGuitarEffects.com

Best Guitar Effects

Keeley Seafoam Chorus Plus demo by Robert Keeley

Robert Keeley

Keeley SEAFOAM + Chorus & VIbrato pedal of perpetual excellence

gearmanndude

Keeley Seafoam Plus Chorus Pedal

Jack Fossett

Strings Quick Demo : Keeley Electronics Seafoam plus Chorus/Vibrato

Strings Shop

Reviews

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PROS

Automatic Double Tracking offers a studio-like sound for solo play
Versatile internal dipswitches for bass and vintage tones
Complex and atmospheric chorus modes enhance soundscapes
Lush bass chorus without killing midrange
Simple interface with multi-function knobs for easy control
Subtle modulation effects with smooth, non-digital sounding tone
Works exceptionally well for both bass and guitar setups
Maintains consistent volume without distortion at high output
Multiple voicings and effects, including tremolo, through internal switches
Adds fullness to guitar sound without losing clarity

CONS

Knobs functions change across modes, which can be confusing
Some users may find the pedal steals a bit of bass when heavily applied in the mix

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Keeley Seafoam Plus Chorus.

Features and functionality

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The ADT mode provides spaciousness and a unique flavor compared to typical chorus sounds, while the vintage voicing dipswitch adds a preferred tonal character.
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Mods and upgrades

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Expanding internal switch settings for configuring toggle positions in both guitar and bass modes could enhance functionality.
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Use cases and applications

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The dual chorus mode's chorus/trem hybrid in bass mode offers a distinct sound but requires internal switch access, limiting practicality.
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A Voodoo Labs Pedal Power 2 Plus might not eliminate noise for all Keeley digital pedals, highlighting the importance of power supply choice.
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Comparisons

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Upgraded from a Donner chorus, the Keeley Seafoam Plus is praised for its small footprint and sparkly tones, surpassing the MXR analog chorus consideration.
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The Seafoam Plus has an analog bucket brigade mode similar to the Boss CE-2w, appealing to those seeking classic chorus tones.
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Users have mixed experiences with noise issues in Walrus pedals like the Slo and Fathom, compared to the generally quieter Julianna, influencing brand preference decisions.
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User experience

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Owners appreciate the option for flanger, even if it's rarely used, highlighting versatility in the pedal's design.
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Some users report noise issues with Keeley digital pedals like the Bubbletron, suggesting potential considerations for the Seafoam Plus in similar setups.
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